555 Timer. Digital Electronics
|
|
|
- Imogen Thomas
- 7 years ago
- Views:
Transcription
1 555 imer Digital Electronics
2 his presentation will Introduce the 555 imer. 555 imer Derive the characteristic equations for the charging and discharging of a capacitor. Present the equations for period, frequency, and duty cycle for a 555 imer Oscillator. Going Further. Detail the operation of a 555 imer Oscillator. Derive the equations for period, frequency, and duty cycle for a 555 imer Oscillator. 2
3 What is a 555 imer? he 555 timer is an 8-pin I (integrated circuit) that is used for many applications and devices: iming events Electronic ignitions Intermittent windshield wipers oys, security alarm systems Medical equipment 3
4 Some 555 imer ircuits 4
5 What is a 555 imer? It is one of the most-used I s ever produced. It is easily obtained and inexpensive at $ $0.50 per chip, with billion produced each year (2003) 555 timer chip typically contains: over 20 transistors, 2 diodes and 5 resistors in a dual inline package (DIP). 5
6 ransistors ransistors are electronic components made from a semiconductor material used to amplify or switch electronic signals. Symbols: 6
7 esistors esistors are electronic components made from a semi-conductor material (carbon) used to limit and/or control the flow of current. Symbols: 7
8 Diodes Diodes are 2 terminal (anode & cathode) electronic components made from semi-conductor material. hey only allow current to flow in one direction only! Symbol: 8
9 apacitors capacitor is an electrical component that can temporarily store charge (voltage). Symbols: 9
10 555 Pin onfiguration: Pins of the 555 timer are as follows: Gnd: Ground connection for chip. rigger: 555 timer triggers when this pin transitions from voltage at cc to 33% voltage at cc. Output pin goes high when triggered. Output: Output pin of 555 timer. eset: esets 555 timer when low. 0
11 555 Pin onfiguration: Pins of the 555 timer are as follows: cc: 5 to 5 supply input. Discharge: Used to discharge a capacitor. hreshold: Used to detect when the capacitor has charged. he output pin goes low when capacitor has charged to 66.6% of cc. ontrol oltage: Used to change threshold and trigger set point voltages and is rarely used.
12 555 Operating Modes: he 555 timer has 3 operating modes: Monostable (time delay) stable (oscillator) istable 2
13 555 Operating Modes: Monostable: Monostable mode produces a stable oneshot pulse. he pulse period is determined by the time constant of an network which consists of a resistor () and a capacitor (). 3
14 555 Operating Modes: Monostable: he pulse width can be lengthened or shortened to the need of the specific application by adjusting the values of and. 4
15 555 Operating Modes: Monostable: Monostable mode is also called time delay mode. Monostable applications include timers, touch switches, frequency dividers, bouncefree switches, etc monostable circuit requires an externally applied trigger. 5
16 555 Operating Modes: stable: stable mode produces logic outputs that are unstable and switch back and forth from high to low. his produces a continuous stream of pulses with a set period and frequency. 6
17 555 Operating Modes: stable: he pulse period is determined by the time constant of an network which consists of 2 resistors ( & 2 ) and a capacitor (). 7
18 555 Operating Modes: stable: stable is also referred to as oscillator mode. n astable circuit triggers from the previous output pulse. 8
19 555 Operating Modes: istable: mode in which the circuit will remain in either state (stable or unstable) indefinitely. he circuit can be flipped from one state to the other by an external event or trigger. 9
20 555 Operating Modes: JK Flip-Flop istable: Such a circuit is important as the fundamental building block of a register or memory device. his circuit is also known as a flip-flop. 20
21 555 imer Modes t this time, will limit our use of the 555 timer to the oscillator mode. 2
22 555 imer as an Oscillator he rate of oscillation (pulses) depends on the (resistor & capacitor) values. Oscillator value demo 22
23 555 imer as an Oscillator o understand how the capacitor is used in the 555 imer oscillator circuit, you must understand the basic charge and discharge cycles of the capacitor. 23
24 apacitor harge ycle Equation for harging apacitor apacitor is initially discharged. Switch is moved to position. apacitor will charge to +2 v. apacitor will charge through the 2 K resistor. - e -t/ Final Initial Initial Where : he voltage across the capacitor Final Initial he voltage across the capacitor that is fully charged ny initial voltage across the capacitor as it begins to charge 24
25 apacitor Discharge ycle Equation for Discharging apacitor Where Final Initial : -t/ e he he Initial voltage voltage Final across the across the capacitor capacitor apacitor is initially charged. Switch is moved to position. apacitor will discharge to +0 v. apacitor will discharge through the 3 K resistor. that is fully discharged ny initial voltage across the capacitor as it begins to discharge 25
26 apacitor harge & Discharge 2 v 20 msec 5 ime 0 v Switch has been at position for a long period of time. he capacitor is completely discharged. Switch is moved to position. he capacitor charges through the 2K resistor. Switch is moved back to position. he capacitor discharges through the 3K resistors. 26
27 555 imer Design Equations t HIGH : calculations for the oscillator s HIGH time HE OUPU IS HIGH WHILE HE PIO IS HGING HOUGH +. 5v v c.666 v 0 v t HIGH HIGH Output LOW t HIGH 27
28 555 imer Design Equations t LOW : alculations for the Oscillator s LOW ime HE OUPU IS LOW WHILE HE PIO IS DISHGING HOUGH. 5v v c.666 v 0 v t LOW HIGH Output LOW t LOW 28
29 555 imer nimation Demo 555 imer animation 29
30 lock Diagram for a 555 imer cc (8) Discharge (7) ontrol oltage (5) hreshold oltage (6) - + OMP Flip-Flop ESE Q + OMP2 SE Q Output (3) rigger oltage (2) - Ground () eset (4) 30
31 Schematic of a 555 imer in Oscillator Mode 5 olts Discharge N/ hreshold / rigger.666 Output Ground N/ 3
32 555 imer Period / Frequency / D Period: t t HIGH LOW t t HIGH LOW 2 Duty ycle: D D D t HIGH 00% % 00% Frequency: F F 2 32
33 Example: 555 Oscillator Example: For the 555 imer oscillator shown below, calculate the circuit s, period (), frequency (F), and duty cycle (D). 33
34 Example: 555 Oscillator 34 Solution: F msec F % D 00% D 00% 2 D Period: Duty ycle: Hz F msec F F Frequency:
35 Example: 555 Oscillator 35 Solution: F msec F Hz F msec F F 76% D 00% D 00% 2 D Period: Frequency: Duty ycle:
36 Example: 555 Oscillator 36 Solution: F msec F Hz F msec F F 76% D 00% D 00% 2 D Period: Frequency: Duty ycle:
37 Example: 555 Oscillator 37 Solution: F msec F Hz F msec F F 76% D 00% D 00% 2 D Period: Frequency: Duty ycle:
38 Example: 555 Oscillator Solution: F Period: msec F Frequency: Duty ycle: F F msec F Hz D D D 76% 00% % 38
39 Example: 555 Oscillator Solution: F Period: msec F Frequency: Duty ycle: F F msec F Hz D D D 76% 00% % 39
40 Example: 555 Oscillator Solution: F Period: msec F Frequency: Duty ycle: F F msec F Hz D D D 76% 00% % 40
41 Example: Example: 555 Oscillator For the 555 imer oscillator shown below, calculate the value for & so that the oscillator has a frequency of % duty cycle. 4
42 Example: 555 Oscillator Use frequency provided to find period (they are inversely related) Frequency (f) = 2.5 KHz (2,500 Hz) Period = 400 Sec f 2.5 khz
43 Example: 555 Oscillator Use frequency provided to find period (they are inversely related) Frequency (f) = 2.5 KHz (2,500 Hz) 400 Sec Period = 400µs (.0004 sec) f 2.5 khz
44 Example: 555 Oscillator Plug the period into the equation below (for ) 400µs msec msec 280 apacitance ( ) was given plug this value in! msec 400µs 2.47 µf F F 44
45 Example: 555 Oscillator Divide out the.693 constant &.47 µf on OH sides of the equation to isolate & 2 ewrite the new equation: 400µs 2.47 µf x.47 µf = x.47 µf msec 6.8F 45
46 Example: 555 Oscillator Next, cancel out like terms on the right side and rewrite the new equation: 400µs x.47 µf = x.47 µf 2.47 µf x.47 µf msec 400µs = msec F 6.8F 46
47 Example: 555 Oscillator Solve for µs msec 2 x.47 µf msec = msec = F F 6.8F 47
48 Example: 555 Oscillator Solve for µs msec 2 x.47 µf msec = msec = 280 2, Ω 6.8F F 6.8F 48
49 Example: 555 Oscillator 49 Solution: Frequency: f 0.47 Sec Sec 400 f Sec Sec khz f
50 Example: 555 Oscillator % 00% 2 D Duty ycle:
51 Example: 555 Oscillator % 00% 2 D Duty ycle:
52 Example: 555 Oscillator Solution: Frequency: Duty ycle: Substitute and Solve for Substitute and Solve for
53 Going Further 555 Oscillator Detail nalysis 53
54 Detail nalysis of a 555 Oscillator 5v v c.666 v 0 v ESE HIGH LOW SE HIGH LOW Q HIGH LOW ON OFF Q HIGH LOW 54
55 Detail nalysis of a 555 Oscillator 5v v c.666 v 0 v ESE HIGH LOW SE HIGH LOW Q HIGH LOW ON OFF Q HIGH LOW 55
56 Detail nalysis of a 555 Oscillator 5v v c.666 v 0 v ESE HIGH LOW SE HIGH LOW Q HIGH LOW ON OFF Q HIGH LOW 56
57 Detail nalysis of a 555 Oscillator 5v v OUPU IS HIGH WHILE HE PIO IS HGING HOUGH +. c.666 v 0 v ESE HIGH LOW SE HIGH LOW Q HIGH LOW ON OFF Q HIGH LOW OUPU IS LOW WHILE HE PIO IS DISHGING HOUGH. 57
58 555 imer Design Equations 58 t 2 t t t Initial t Initial Final e - e - e - e - e - t t t e ln ln e e - HIGH HIGH t 2 t 2 t 2 t HIGH : alculations for the Oscillator s HIGH ime
59 555 imer Design Equations 59 t 2 t t t t Final Initial e e e e 0 e t t t e ln ln e LOW LOW t 2 t 2 t LOW : alculations for the Oscillator s LOW ime
60 555 imer Period / Frequency / D Period: t t HIGH LOW t t HIGH LOW 2 Duty ycle: D D D t HIGH 00% % 00% Frequency: F F 2 60
1. Learn about the 555 timer integrated circuit and applications 2. Apply the 555 timer to build an infrared (IR) transmitter and receiver
Electronics Exercise 2: The 555 Timer and its Applications Mechatronics Instructional Laboratory Woodruff School of Mechanical Engineering Georgia Institute of Technology Lab Director: I. Charles Ume,
Pulse Width Modulation (PWM) LED Dimmer Circuit. Using a 555 Timer Chip
Pulse Width Modulation (PWM) LED Dimmer Circuit Using a 555 Timer Chip Goals of Experiment Demonstrate the operation of a simple PWM circuit that can be used to adjust the intensity of a green LED by varying
Experiment # 9. Clock generator circuits & Counters. Eng. Waleed Y. Mousa
Experiment # 9 Clock generator circuits & Counters Eng. Waleed Y. Mousa 1. Objectives: 1. Understanding the principles and construction of Clock generator. 2. To be familiar with clock pulse generation
Chapter 9 Latches, Flip-Flops, and Timers
ETEC 23 Programmable Logic Devices Chapter 9 Latches, Flip-Flops, and Timers Shawnee State University Department of Industrial and Engineering Technologies Copyright 27 by Janna B. Gallaher Latches A temporary
TS555. Low-power single CMOS timer. Description. Features. The TS555 is a single CMOS timer with very low consumption:
Low-power single CMOS timer Description Datasheet - production data The TS555 is a single CMOS timer with very low consumption: Features SO8 (plastic micropackage) Pin connections (top view) (I cc(typ)
Operational Amplifier as mono stable multi vibrator
Page 1 of 5 Operational Amplifier as mono stable multi vibrator Aim :- To construct a monostable multivibrator using operational amplifier 741 and to determine the duration of the output pulse generated
Features. Applications
LM555 Timer General Description The LM555 is a highly stable device for generating accurate time delays or oscillation. Additional terminals are provided for triggering or resetting if desired. In the
Digital Logic Elements, Clock, and Memory Elements
Physics 333 Experiment #9 Fall 999 Digital Logic Elements, Clock, and Memory Elements Purpose This experiment introduces the fundamental circuit elements of digital electronics. These include a basic set
css Custom Silicon Solutions, Inc.
css Custom Silicon Solutions, Inc. GENERAL PART DESCRIPTION The is a micropower version of the popular timer IC. It features an operating current under µa and a minimum supply voltage of., making it ideal
A Lesson on Digital Clocks, One Shots and Counters
A Lesson on Digital Clocks, One Shots and Counters Topics Clocks & Oscillators LM 555 Timer IC Crystal Oscillators Selection of Variable Resistors Schmitt Gates Power-On Reset Circuits One Shots Counters
A Lesson on Digital Clocks, One Shots and Counters
A Lesson on Digital Clocks, One Shots and Counters Topics Clocks & Oscillators LM 555 Timer IC Crystal Oscillators Selection of Variable Resistors Schmitt Gates Power-On Reset Circuits One Shots Counters
Having read this workbook you should be able to: recognise the arrangement of NAND gates used to form an S-R flip-flop.
Objectives Having read this workbook you should be able to: recognise the arrangement of NAND gates used to form an S-R flip-flop. describe how such a flip-flop can be SET and RESET. describe the disadvantage
INTEGRATED CIRCUITS. NE558 Quad timer. Product data Supersedes data of 2001 Aug 03. 2003 Feb 14
INTEGRATED CIRCUITS Supersedes data of 2001 Aug 03 2003 Feb 14 DESCRIPTION The Quad Timers are monolithic timing devices which can be used to produce four independent timing functions. The output sinks
Programmable Single-/Dual-/Triple- Tone Gong SAE 800
Programmable Single-/Dual-/Triple- Tone Gong Preliminary Data SAE 800 Bipolar IC Features Supply voltage range 2.8 V to 18 V Few external components (no electrolytic capacitor) 1 tone, 2 tones, 3 tones
TDA4605 CONTROL CIRCUIT FOR SWITCH MODE POWER SUPPLIES USING MOS TRANSISTORS
CONTROL CIRCUIT FOR SWITCH MODE POWER SUPPLIES USING MOS TRANSISTORS Fold-Back Characteristic provides Overload Protection for External Diodes Burst Operation under Short-Circuit and no Load Conditions
How to Read a Datasheet
How to Read a Datasheet Prepared for the WIMS outreach program 5/6/02, D. Grover In order to use a PIC microcontroller, a flip-flop, a photodetector, or practically any electronic device, you need to consult
LAB4: Audio Synthesizer
UC Berkeley, EECS 100 Lab LAB4: Audio Synthesizer B. Boser NAME 1: NAME 2: The 555 Timer IC SID: SID: Inductors and capacitors add a host of new circuit possibilities that exploit the memory realized by
NE555 SA555 - SE555. General-purpose single bipolar timers. Features. Description
NE555 SA555 - SE555 General-purpose single bipolar timers Features Low turn-off time Maximum operating frequency greater than 500 khz Timing from microseconds to hours Operates in both astable and monostable
NE555 SA555 - SE555. General-purpose single bipolar timers. Features. Description
NE555 SA555 - SE555 General-purpose single bipolar timers Features Low turn-off time Maximum operating frequency greater than 500 khz Timing from microseconds to hours Operates in both astable and monostable
Development of a Single Phase Automatic Change-Over Switch
Development of a Single Phase Automatic Change-Over Switch M.S. Ahmed, A.S. Mohammed and O.. Agusiobo Department of Electrical and Computer Engineering, Federal University of Technology Minna, Nigeria
css Custom Silicon Solutions, Inc.
css Custom Silicon Solutions, Inc. CSS555(C) CSS555/ PART DESCRIPTION The CSS555 is a micro-power version of the popular 555 Timer IC. It is pin-for-pin compatible with the standard 555 timer and features
The components. E3: Digital electronics. Goals:
E3: Digital electronics Goals: Basic understanding of logic circuits. Become familiar with the most common digital components and their use. Equipment: 1 st. LED bridge 1 st. 7-segment display. 2 st. IC
NTE2053 Integrated Circuit 8 Bit MPU Compatible A/D Converter
NTE2053 Integrated Circuit 8 Bit MPU Compatible A/D Converter Description: The NTE2053 is a CMOS 8 bit successive approximation Analog to Digital converter in a 20 Lead DIP type package which uses a differential
A Digital Timer Implementation using 7 Segment Displays
A Digital Timer Implementation using 7 Segment Displays Group Members: Tiffany Sham u2548168 Michael Couchman u4111670 Simon Oseineks u2566139 Caitlyn Young u4233209 Subject: ENGN3227 - Analogue Electronics
MM74HC4538 Dual Retriggerable Monostable Multivibrator
MM74HC4538 Dual Retriggerable Monostable Multivibrator General Description The MM74HC4538 high speed monostable multivibrator (one shots) is implemented in advanced silicon-gate CMOS technology. They feature
Supply voltage Supervisor TL77xx Series. Author: Eilhard Haseloff
Supply voltage Supervisor TL77xx Series Author: Eilhard Haseloff Literature Number: SLVAE04 March 1997 i IMPORTANT NOTICE Texas Instruments (TI) reserves the right to make changes to its products or to
ARRL Morse Code Oscillator, How It Works By: Mark Spencer, WA8SME
The national association for AMATEUR RADIO ARRL Morse Code Oscillator, How It Works By: Mark Spencer, WA8SME This supplement is intended for use with the ARRL Morse Code Oscillator kit, sold separately.
Wiki Lab Book. This week is practice for wiki usage during the project.
Wiki Lab Book Use a wiki as a lab book. Wikis are excellent tools for collaborative work (i.e. where you need to efficiently share lots of information and files with multiple people). This week is practice
LM555/NE555/SA555. Single Timer. Description. Features. Applications. Internal Block Diagram. Vcc GND. Trigger. Discharge. Output F/F.
Single Timer www.fairchildsemi.com Features High Current Drive Capability (00mA) Adjustable Duty Cycle Temperature Stability of 0.005%/ C Timing From µsec to Hours Turn off Time Less Than µsec Applications
Tone Ringer SL2410 LOGIC DIAGRAM PIN ASSIGNMENT SLS
Tone Ringer The SL2410 is a bipolar integrated circuit designed for telephone bell replacement. Designed for Telephone Bell Replacement Low Curent Drain Adjustable 2-frequency Tone Adjustable Warbling
Electronics. Discrete assembly of an operational amplifier as a transistor circuit. LD Physics Leaflets P4.2.1.1
Electronics Operational Amplifier Internal design of an operational amplifier LD Physics Leaflets Discrete assembly of an operational amplifier as a transistor circuit P4.2.1.1 Objects of the experiment
CHAPTER 11: Flip Flops
CHAPTER 11: Flip Flops In this chapter, you will be building the part of the circuit that controls the command sequencing. The required circuit must operate the counter and the memory chip. When the teach
Lesson 12 Sequential Circuits: Flip-Flops
Lesson 12 Sequential Circuits: Flip-Flops 1. Overview of a Synchronous Sequential Circuit We saw from last lesson that the level sensitive latches could cause instability in a sequential system. This instability
GLOLAB Universal Telephone Hold
GLOLAB Universal Telephone Hold 1 UNIVERSAL HOLD CIRCUIT If you have touch tone telephone service, you can now put a call on hold from any phone in the house, even from cordless phones and phones without
DM74121 One-Shot with Clear and Complementary Outputs
June 1989 Revised July 2001 DM74121 One-Shot with Clear and Complementary Outputs General Description The DM74121 is a monostable multivibrator featuring both positive and negative edge triggering with
So far we have investigated combinational logic for which the output of the logic devices/circuits depends only on the present state of the inputs.
equential Logic o far we have investigated combinational logic for which the output of the logic devices/circuits depends only on the present state of the inputs. In sequential logic the output of the
Ignition Alert Anti-Theft Security System for Motorbikes with Remote Control Amit Yadav, Anushri Jha, Neelesh Gupta amitrinku007@yahoo.
Ignition Alert Anti-Theft Security System for Motorbikes with Remote Control Amit Yadav, Anushri Jha, Neelesh Gupta amitrinku007@yahoo.com Abstract There are many vehicle security system are available
ICL8038. Features. Precision Waveform Generator/Voltage Controlled Oscillator. Ordering Information. Pinout. Functional Diagram
Semiconductor IL0 September 99 File Number 4. Precision Waveform Generator/Voltage ontrolled Oscillator The IL0 waveform generator is a monolithic integrated circuit capable of producing high accuracy
COMBINATIONAL and SEQUENTIAL LOGIC CIRCUITS Hardware implementation and software design
PH-315 COMINATIONAL and SEUENTIAL LOGIC CIRCUITS Hardware implementation and software design A La Rosa I PURPOSE: To familiarize with combinational and sequential logic circuits Combinational circuits
POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER
FUJITSU SEMICONDUCTOR DATA SHEET DS04-27402-2E ASSP POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER MB3793-42/30 DESCRIPTION The MB3793 is an integrated circuit to monitor power voltage; it incorporates
Development of a Simple Sound Activated Burglar Alarm System
[ Leonardo Journal of Sciences ISSN 1583-0233 Issue 9, July-December 2006 p. 97-102 Development of a Simple Sound Activated Burglar Alarm System Department of Electrical and Computer Engineering, Federal
KA7500C. SMPS Controller. Features. Description. Internal Block Diagram. www.fairchildsemi.com
SMPS Controller www.fairchildsemi.com Features Internal Regulator Provides a Stable 5V Reference Supply Trimmed to ±1% Accuracy. Uncommitted Output TR for 200mA Sink or Source Current Output Control for
3-Digit Counter and Display
ECE 2B Winter 2007 Lab #7 7 3-Digit Counter and Display This final lab brings together much of what we have done in our lab experiments this quarter to construct a simple tachometer circuit for measuring
The basic set up for your K2 to run PSK31 By Glenn Maclean WA7SPY
The basic set up for your K2 to run PSK31 By Glenn Maclean WA7SPY I am by no means an expert on PSK31. This article is intended to help someone get on PSK31 with a K2. These are the things I did to get
Series AMLDL-Z Up to 1000mA LED Driver
FEATURES: Click on Series name for product info on aimtec.com Series Up to ma LED Driver Models Single output Model Input Voltage (V) Step Down DC/DC LED driver Operating Temperature range 4ºC to 85ºC
INTEGRATED CIRCUITS. For a complete data sheet, please also download:
INTEGRATED CIRCUITS DATA SEET For a complete data sheet, please also download: The IC6 74C/CT/CU/CMOS ogic Family Specifications The IC6 74C/CT/CU/CMOS ogic Package Information The IC6 74C/CT/CU/CMOS ogic
Baseband delay line QUICK REFERENCE DATA
FEATURES Two comb filters, using the switched-capacitor technique, for one line delay time (64 µs) Adjustment-free application No crosstalk between SECAM colour carriers (diaphoty) Handles negative or
Designing With the SN54/74LS123. SDLA006A March 1997
Designing With the SN54/74LS23 SDLA6A March 997 IMPORTANT NOTICE Texas Instruments (TI) reserves the right to make changes to its products or to discontinue any semiconductor product or service without
Lab Unit 4: Oscillators, Timing and the Phase Locked Loop
Chemistry 8 University of WisconsinMadison Lab Unit : Oscillators, Timing and the Phase Locked Loop Oscillators and timing circuits are very widely used in electronic measurement instrumentation. In this
Diodes have an arrow showing the direction of the flow.
The Big Idea Modern circuitry depends on much more than just resistors and capacitors. The circuits in your computer, cell phone, Ipod depend on circuit elements called diodes, inductors, transistors,
Application Note SX8122. 1V Timer (Next Gen 555) Application Note AN8122-1. Advanced Communications and Sensing
Application Note 1V Timer (Next Gen 555) Page 1 1. Introduction The is a new kind of timer based on a precise clock and an analog to digital converter. Its simple architecture is making possible to have
OPERATIONAL AMPLIFIER
MODULE3 OPERATIONAL AMPLIFIER Contents 1. INTRODUCTION... 3 2. Operational Amplifier Block Diagram... 3 3. Operational Amplifier Characteristics... 3 4. Operational Amplifier Package... 4 4.1 Op Amp Pins
Lecture-3 MEMORY: Development of Memory:
Lecture-3 MEMORY: It is a storage device. It stores program data and the results. There are two kind of memories; semiconductor memories & magnetic memories. Semiconductor memories are faster, smaller,
ETEC 2301 Programmable Logic Devices. Chapter 10 Counters. Shawnee State University Department of Industrial and Engineering Technologies
ETEC 2301 Programmable Logic Devices Chapter 10 Counters Shawnee State University Department of Industrial and Engineering Technologies Copyright 2007 by Janna B. Gallaher Asynchronous Counter Operation
Upon completion of unit 1.1, students will be able to
Upon completion of unit 1.1, students will be able to 1. Demonstrate safety of the individual, class, and overall environment of the classroom/laboratory, and understand that electricity, even at the nominal
LM2576R. 3.0A, 52kHz, Step-Down Switching Regulator FEATURES. Applications DESCRIPTION TO-220 PKG TO-220V PKG TO-263 PKG ORDERING INFORMATION
LM2576 FEATURES 3.3, 5.0, 12, 15, and Adjustable Output ersions Adjustable ersion Output oltage Range, 1.23 to 37 +/- 4% AG10Maximum Over Line and Load Conditions Guaranteed 3.0A Output Current Wide Input
AUTOMATIC NIGHT LAMP WITH MORNING ALARM USING MICROPROCESSOR
AUTOMATIC NIGHT LAMP WITH MORNING ALARM USING MICROPROCESSOR INTRODUCTION This Project "Automatic Night Lamp with Morning Alarm" was developed using Microprocessor. It is the Heart of the system. The sensors
LM1084 5A Low Dropout Positive Regulators
5A Low Dropout Positive Regulators General Description The LM1084 is a series of low dropout voltage positive regulators with a maximum dropout of 1.5 at 5A of load current. It has the same pin-out as
SWITCH-MODE POWER SUPPLY CONTROLLER PULSE OUTPUT DC OUTPUT GROUND EXTERNAL FUNCTION SIMULATION ZERO CROSSING INPUT CONTROL EXTERNAL FUNCTION
SWITCH-MODE POWER SUPPLY CONTROLLER. LOW START-UP CURRENT. DIRECT CONTROL OF SWITCHING TRAN- SISTOR. COLLECTOR CURRENT PROPORTIONAL TO BASE-CURRENT INPUT REERSE-GOING LINEAR OERLOAD CHARACTERISTIC CURE
OPTICAL COMMUNICATION BASED STEPPER MOTOR CONTROL USING PULSE WIDTH MODULATION
2011 pp 1-5 OPTICAL COMMUNICATION BASED STEPPER MOTOR CONTROL USING PULSE WIDTH MODULATION Vinayak Abrol* Department of Electronics & Communication, SSGPURC Panjab University Chandigarh, India Votrix13@gmail.com
Instruction Manual. For file reference, please record the following data:
Instruction Manual Series B9 and C9 Electronic Metering Pumps For file reference, please record the following data: Model No: Serial No: Installation Date: Installation Location: When ordering replacement
DM9368 7-Segment Decoder/Driver/Latch with Constant Current Source Outputs
DM9368 7-Segment Decoder/Driver/Latch with Constant Current Source Outputs General Description The DM9368 is a 7-segment decoder driver incorporating input latches and constant current output circuits
MM74HCT373 MM74HCT374 3-STATE Octal D-Type Latch 3-STATE Octal D-Type Flip-Flop
3-STATE Octal D-Type Latch 3-STATE Octal D-Type Flip-Flop General Description The MM74HCT373 octal D-type latches and MM74HCT374 Octal D-type flip flops advanced silicongate CMOS technology, which provides
8 coil stator 11 coil stator
Below is a schematic of a typical scooter electrical set up as far as the stator, CDI, rectifier/regulator go along with the other items running on the electrical system; This is the 6 coil stator common
The full wave rectifier consists of two diodes and a resister as shown in Figure
The Full-Wave Rectifier The full wave rectifier consists of two diodes and a resister as shown in Figure The transformer has a centre-tapped secondary winding. This secondary winding has a lead attached
Design Project: Power inverter
Design Project: Power inverter This worksheet and all related files are licensed under the Creative Commons Attribution License, version 1.0. To view a copy of this license, visit http://creativecommons.org/licenses/by/1.0/,
Collision Vigilant With Automatic Dialer
International Journal of Engineering and Advanced Technology (IJEAT) ISSN: 2249 8958, Volume-2, Issue-1, October 2012 Collision Vigilant With Automatic Dialer C.Swetha, S.Suganya, V.Shobana, S.Sivaranjini,
HCC4541B HCF4541B PROGRAMMABLE TIMER
HCC4541B HCF4541B PROGRAMMABLE TIMER 16 STAGE BINARI COUNTER LOW SYMMETRICAL OUTPUT RESISTANCE, TYPICALLY 100 OHM AT DD = 15 OSCILLATOR FREQUENCY RANGE : DC TO 100kHz AUTO OR MASTER RESET DISABLES OSCIL-
INTEGRATED CIRCUITS. 74F74 Dual D-type flip-flop. Product specification Supercedes data of 1990 Oct 23 IC15 Data Handbook.
INTEGRATED CIRCUITS Supercedes data of 1990 Oct 23 IC15 Data Handbook 1996 Mar 12 FEATURE Industrial temperature range available ( 40 C to +85 C) DESCRIPTION The is a dual positive edge-triggered D-type
IEC 1000-4-2 ESD Immunity and Transient Current Capability for the SP72X Series Protection Arrays
IEC 00-4-2 ESD Immunity and Transient Current Capability for the SP72X Series Protection Arrays Application Note July 1999 AN9612.2 Author: Wayne Austin The SP720, SP721, SP723, and SP724 are protection
VOLTAGE-TO-FREQUENCY CONVERTER
VOTAGE-TO-FEQUENY ONVETE Internal circuit of M I VOTAGE EFEENE M OP AMP UENT MIO Q,9V Q P B Vin T ONE SHOT TIME VOT OMP VOT OMP S Q Q Q Q Q Q In direct transmission of an analog signal (below), V AN will
AND8280/D. NCP1351 Modeling Using the PWM Switch Technique APPLICATION NOTE
NP5 Modeling Using the PWM Switch Technique Prepared by: Stéphanie onseil ON Semiconductor APPLIATION NOTE This document describes the average modeling of the NP5 a fixed on time / variable off time controller.
CD4027BMS. CMOS Dual J-K Master-Slave Flip-Flop. Pinout. Features. Functional Diagram. Applications. Description. December 1992
CD7BMS December 199 CMOS Dual J-K Master-Slave Flip-Flop Features Pinout High Voltage Type (V Rating) Set - Reset Capability CD7BMS TOP VIEW Static Flip-Flop Operation - Retains State Indefinitely with
DS1621 Digital Thermometer and Thermostat
www.maxim-ic.com FEATURES Temperature measurements require no external components Measures temperatures from -55 C to +125 C in 0.5 C increments. Fahrenheit equivalent is -67 F to 257 F in 0.9 F increments
74F74 Dual D-Type Positive Edge-Triggered Flip-Flop
Dual D-Type Positive Edge-Triggered Flip-Flop General Description The F74 is a dual D-type flip-flop with Direct Clear and Set inputs and complementary (Q, Q) outputs. Information at the input is traferred
DS1621 Digital Thermometer and Thermostat
Digital Thermometer and Thermostat www.dalsemi.com FEATURES Temperature measurements require no external components Measures temperatures from 55 C to +125 C in 0.5 C increments. Fahrenheit equivalent
A Trigger Circuit for the 555 Timer IC Scope
Scope This document describes a trigger circuit that allows the 555 timer IC to produce a voltage pulse when triggered with a voltage that is brought low and held low for an arbitrary amount of time (even
Transistor Characteristics and Single Transistor Amplifier Sept. 8, 1997
Physics 623 Transistor Characteristics and Single Transistor Amplifier Sept. 8, 1997 1 Purpose To measure and understand the common emitter transistor characteristic curves. To use the base current gain
Low-Power, High-Speed CMOS Analog Switches
Low-Power, High-peed MO Analog es G1/3/ -V upply Max Rating 1-V Analog ignal Range On-Resistance r (on) : Low Leakage I (on) : pa Fast ing t ON : ns Ultra Low Power Requirements P :.3 W TTL, MO ompatible
Laboratory 4: Feedback and Compensation
Laboratory 4: Feedback and Compensation To be performed during Week 9 (Oct. 20-24) and Week 10 (Oct. 27-31) Due Week 11 (Nov. 3-7) 1 Pre-Lab This Pre-Lab should be completed before attending your regular
Fig1-1 2-bit asynchronous counter
Digital electronics 1-Sequential circuit counters Such a group of flip- flops is a counter. The number of flip-flops used and the way in which they are connected determine the number of states and also
AND8480/D. CrM Buck LED Driver Evaluation Board APPLICATION NOTE
CrM Buck LED Driver Evaluation Board Prepared by: Fabien Franc ON Semiconductor Introduction This document describes the CrM Buck LED driver evaluation board. This board provides a step down converter
1.5A Very L.D.O Voltage Regulator LM29150/29151/29152
FEATURES High Current Capability 1.5A Low Dropout Voltage 350mV Low Ground Current Accurate 1% Guaranteed Initial Tolerance Extremely Fast Transient Response Reverse-Battery and "Load Dump" Protection
Counters. Present State Next State A B A B 0 0 0 1 0 1 1 0 1 0 1 1 1 1 0 0
ounter ounters ounters are a specific type of sequential circuit. Like registers, the state, or the flip-flop values themselves, serves as the output. The output value increases by one on each clock cycle.
ECEN 1400, Introduction to Analog and Digital Electronics
ECEN 1400, Introduction to Analog and Digital Electronics Lab 4: Power supply 1 INTRODUCTION This lab will span two lab periods. In this lab, you will create the power supply that transforms the AC wall
Build A Video Switcher. Reprinted with permission from Electronics Now Magazine September 1997 issue
Build A Video Switcher Reprinted with permission from Electronics Now Magazine September 1997 issue Copyright Gernsback Publications, Inc.,1997 BUILD A VIDEO SWITCHER FRANK MONTEGARI Watch several cameras
TONE/PULSE DIALER WITH REDIAL
INTRODUCTION The KS58006 is DTMF/PULSE switchable dialer with a 32-digit redial which can be done using a slide switch. All necessary dual-tone frequencies are derived from a 3.579545 MHz T crystal or
CA723, CA723C. Voltage Regulators Adjustable from 2V to 37V at Output Currents Up to 150mA without External Pass Transistors. Features.
CA73, CA73C Data Sheet April 1999 File Number 788. Voltage Regulators Adjustable from V to 37V at Output Currents Up to 1mA without External Pass Transistors The CA73 and CA73C are silicon monolithic integrated
Decimal Number (base 10) Binary Number (base 2)
LECTURE 5. BINARY COUNTER Before starting with counters there is some vital information that needs to be understood. The most important is the fact that since the outputs of a digital chip can only be
Keywords: rainfall detection, rain sensor, buzzer and alarm system.
Volume 5, Issue 4, April 2015 ISSN: 2277 128X International Journal of Advanced Research in Computer Science and Software Engineering Research Paper Available online at: www.ijarcsse.com Design of Rain
LM139/LM239/LM339/LM2901/LM3302 Low Power Low Offset Voltage Quad Comparators
Low Power Low Offset Voltage Quad Comparators General Description The LM139 series consists of four independent precision voltage comparators with an offset voltage specification as low as 2 mv max for
Objectives: Part 1: Build a simple power supply. CS99S Laboratory 1
CS99S Laboratory 1 Objectives: 1. Become familiar with the breadboard 2. Build a logic power supply 3. Use switches to make 1s and 0s 4. Use LEDs to observe 1s and 0s 5. Make a simple oscillator 6. Use
Fundamentals of Signature Analysis
Fundamentals of Signature Analysis An In-depth Overview of Power-off Testing Using Analog Signature Analysis www.huntron.com 1 www.huntron.com 2 Table of Contents SECTION 1. INTRODUCTION... 7 PURPOSE...
74HCU04. 1. General description. 2. Features and benefits. 3. Ordering information. Hex unbuffered inverter
Rev. 7 8 December 2015 Product data sheet 1. General description The is a hex unbuffered inverter. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to
CD4027BC Dual J-K Master/Slave Flip-Flop with Set and Reset
October 1987 Revised March 2002 CD4027BC Dual J-K Master/Slave Flip-Flop with Set and Reset General Description The CD4027BC dual J-K flip-flops are monolithic complementary MOS (CMOS) integrated circuits
ECE124 Digital Circuits and Systems Page 1
ECE124 Digital Circuits and Systems Page 1 Chip level timing Have discussed some issues related to timing analysis. Talked briefly about longest combinational path for a combinational circuit. Talked briefly
2SD315AI Dual SCALE Driver Core for IGBTs and Power MOSFETs
2SD315AI Dual SCALE Driver Core for IGBTs and Power MOSFETs Description The SCALE drivers from CONCEPT are based on a chip set that was developed specifically for the reliable driving and safe operation
GLOLAB Two Wire Stepper Motor Positioner
Introduction A simple and inexpensive way to remotely rotate a display or object is with a positioner that uses a stepper motor to rotate it. The motor is driven by a circuit mounted near the motor and
L4970A 10A SWITCHING REGULATOR
10A SWITCHING REGULATOR 10A OUTPUT CURRENT 5.1 TO 40 OUTPUT OLTAGE RANGE 0 TO 90% DUTY CYCLE RANGE INTERNAL FEED-FORWARD LINE REGULA- TION INTERNAL CURRENT LIMITING PRECISE 5.1 ± 2% ON CHIP REFERENCE RESET
Develop a Dallas 1-Wire Master Using the Z8F1680 Series of MCUs
Develop a Dallas 1-Wire Master Using the Z8F1680 Series of MCUs AN033101-0412 Abstract This describes how to interface the Dallas 1-Wire bus with Zilog s Z8F1680 Series of MCUs as master devices. The Z8F0880,